# age = 5
# if age >=18:
#     print('允许进网吧')
# else:
#     print('回家写作业')
# age = int(input('输入年龄为:'))
# if age >= 18:15
#     print('可以去网吧')
# else:
#     print("回家写作业")
age = int(input('年龄为'))
if age >=0 and age <= 120 :
   print("年龄在0-120之间")



